19000018653

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1\times {\mathrm{3727}}^1$

素因数の和:4538

約数の個数: 64

約数和(自身を含む): 32725278720

約数和(自身を除く): 13725260067

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 761, 957, 2233, 2283, 3727, 5327, 6699, 8371, 11181, 15981, 22069, 25113, 26089, 40997, 58597, 66207, 78267, 108083, 122991, 154483, 175791, 242759, 286979, 324249, 463449, 728277, 756581, 860937, 1188913, 1699313, 2269743, 2836247, 3566739, 5097939, 8322391, 8508741, 19853729, 24967173, 31198717, 59561187, 82251163, 93596151, 218391019, 246753489, 575758141, 655173057, 904762793, 1727274423, 2714288379, 6333339551, 19000018653]

約数ペア:

[(1, 19000018653), (3, 6333339551), (7, 2714288379), (11, 1727274423), (21, 904762793), (29, 655173057), (33, 575758141), (77, 246753489), (87, 218391019), (203, 93596151), (231, 82251163), (319, 59561187), (609, 31198717), (761, 24967173), (957, 19853729), (2233, 8508741), (2283, 8322391), (3727, 5097939), (5327, 3566739), (6699, 2836247), (8371, 2269743), (11181, 1699313), (15981, 1188913), (22069, 860937), (25113, 756581), (26089, 728277), (40997, 463449), (58597, 324249), (66207, 286979), (78267, 242759), (108083, 175791), (122991, 154483)]